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Home >> Lexus >> 2008 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Cold start monitor: 

TYPICAL MALFUNCTION THRESHOLDS CHART

ECT change Less than 5°C (9°F)

Soak monitor: 

TYPICAL MALFUNCTION THRESHOLDS CHART

Difference between current ECT sensor value and previous ECT sensor value when engine stopped Less than 5°C (9°F)
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